import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * logoutServlet实现登出
 * 且清除Session记录
 */

@WebServlet("/logoutServlet")
public class logoutServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        request.getSession().removeAttribute("isLogin");  //清除Session记录
        response.sendRedirect("https://cas.dgut.edu.cn/logout?callback=http://localhost:8080/index.jsp");
    }
}
